== sanity test 60c: unlink file when mds full ============ 08:10:43 (1788869443)
create 5000 files
 - open/close 831 (time 1788869456.03 total 10.02 last 82.95)
 - open/close 1714 (time 1788869466.04 total 20.02 last 88.26)
 - open/close 2535 (time 1788869476.04 total 30.02 last 82.10)
 - open/close 3380 (time 1788869486.05 total 40.04 last 84.39)
 - open/close 4076 (time 1788869496.06 total 50.05 last 69.50)
 - open/close 4426 (time 1788869506.09 total 60.07 last 34.92)
 - open/close 4859 (time 1788869516.10 total 70.08 last 43.26)
total: 5000 open/close in 73.48 seconds: 68.05 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788869524 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0